This document discusses the process and levels of communication. It describes communication as a process that involves steps that must be taken in a particular order to achieve a goal. The key steps are: a sender encodes a message, the message is transmitted through a medium and channel, the receiver decodes the message, and feedback is provided. It also describes two types of noise that can interfere with communication and eight levels of communication that involve thinking, symbolizing, expressing, transmitting, receiving, decoding, reaction/feedback, and monitoring.